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10.22037/ijpr.2021.114754.15020 December 2020 April 2021 Type of article: Review The genus Ferulago: A review on ethnopharmacology, phytochemistry, and pharmacology Yahya Rahimpour1,2, Abbas Delazar3, Solmaz Asnaashari4 and Parina Asgharian3,5* 1 Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran. 2 Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran. 3 Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran. 4 Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran. 5 Department of Pharmacognosy, School of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran. Running title: The genus Ferulago, a review *Corresponding author: Parina Asgharian, Drug Applied Research Center and School of Pharmacy, Tabriz University of Medical Sciences, Tabriz 51664, Iran, Tel: +98 (914)1771694; Fax: +98 (413) 33347581. E-mail: parina.asgharian@gmail.com Abstract The Ferulago genus appertains to the Umbelliferae family comprises of 49 species which are mainly distributed in Asia, Europe, and Africa. This paper aims to review the morphological properties of Ferulago species, herbal components, and their pharmacological properties. The information of this review paper has been collected from journals available in databases including Science Direct, Web of Science, Scopus, PubMed, EBSCO, Google Scholar, and Hindawi up to March 2020. In traditional medicine, the genus of Ferulago has been used to treat intestinal worms, snake bites, wound skin infections, diseases of the spleen and gastrointestinal tract, and headache. It not only has been used traditionally as a preservative agent to dairy, oil ghee, and meat but also giving them a pleasant taste. The main components of Ferulago spp. are monoterpenes, sesquiterpenes, coumarin, furanocoumarin, flavonoids, and terpenoids have been the reason for antimicrobial, antioxidant, anticoagulant, antidiabetic, Alzheimer, and larvicidal properties of this plant. This review confirms that many traditional uses of some Ferulago species have now been validated by modern pharmacology research. Rigorous investigations of all the species of Ferulago concerning phytochemical and pharmacological properties, mainly their mechanism of action, efficacy, and safety might offer a context for researchers to prosper plant-derived medications like anti-diabetes, antibiotics, and sedatives treating drugs, and the key to directing clinical trials. Keywords: Ferulago, Essential oil, Pharmacological activity, Herbal medicine, Phytotherapy. Introduction Herbal used in traditional and modern medicine presents a valuable source of secondary metabolites and different pharmacological and biological activities. Hence, they could be utilized as a lead compound to produce new drugs and treat numerous diseases (1). The Apiaceae or Umbelliferae, commonly known as the parsley, carrot, or celery family, is one of the biggest plant families in the world usually characterized with aromatic plants with hollow stems (2). Several plants belonging to this family are well-known as vegetables, culinary, and medicinal plants, including Apium gravolence, Foeniculum vulgare, Centella asiatica, Pimpinella anisum, Cuminum cyminum, Carum carvi, Ligusticum officinale, Coriandrum sativum, Anethum graveolens , Ammi visnaga, Anthriscus cerefolium, Ferulago angulata, and Ferula assa-foetida (3). Plants of the Apiaceae family are commonly aromatic and pungent owing to the existence of essential oil or oleoresin in their diverse organs (4). Among several Umbelliferae families, the species belonging to the genus Ferulago W. Koch. are broadly employed in traditional medicine. The genus Ferulago W. Koch. (called Chavil or Chavir in Persian, Çakşır or Çağşır in Turkey) appertains to the Umbelliferae family consisting of 49 species which are mostly distributed in Asia, Europe, and Africa(5, 6).The occurrence of several bioactive secondary metabolites, including coumarin, coumarin esters, furanocoumarin, flavonoids, quinones, steroids, essential oils, steroids, and terpenoids are owing to their pharmacological activities (7). Extensive studies have been conducted to evaluate the ethnomedicinal uses of Ferulago species antibacterial, antioxidant, Alzheimer, anti-diabetics, anti-malaria, anti-coagulant, and aphrodisiac effects. The information of this review paper has been collected from journals available in databases including Science Direct, Web of Science, Scopus, PubMed, EBSCO, Google Scholar, and Hindawi up to March 2020. The keywords and search terms contained “Ferulago”, “Ferulago spp.” “essential oil of Ferulago”, “phytochemistry and Ferulago”, “coumarins and Ferulago”, “bioactive compounds and Ferulago”, “pharmacological activity and Ferulago”. Therefore, we conducted the present review article to provide a complete overview of a current state of knowledge on botany, ethnomedicinal uses, phytochemistry, and the most noticeable pharmacological effects of species belonging to the genus Ferulago. The botany of Ferulago plants The Ferulago genus appertains to the Umbelliferae family and comprises 49 species which are mainly distributed in Asia, Europe, and Africa (8). The genus Ferulago is distributed in Turkey with 34 species, out of which 18 are endemic (9). The 8 species exist in Iran, out of which three are endemic (10). According to the plantlist website, the genus Ferulago consists of 48 accepted species name and 13 unassessed species(11). Table 1 depicts name of accepted species and their synonyms. Ferulago genus is 60-150 cm tall; annual or perennial plants grow at altitudes of 1900- 3200m above the sea level with yellow fruits. They are characterized with persistent bracts and bracteoles and small flowers which are widely distributed in Turkey, Iraq, and west of Iran (from the flora of Iran, particularly in Kermanshah, Ilam, Lorestan, and Kurdistan)(8, 12, 13). Pictures of Ferulago bernardii and fruits of ferulago stellata are shown in Fig.1. The high distribution of Ferulago spp. in these areas suggests that the core center of the biodiversity of genus Ferulago is Anatolia. Based on taxonomy the species of this genus resemble Prangos and Ferula species. They are widely used in the Anatolia region for several purposes (7, 14). The most studied species is F. angulata which is divided based on ovaries, the flowering of in fluorescence, and fibers (rather absence or presence of trichomes) into two subspecies: F. angulate subsp. angulata and F. angulate subsp. Carduchorum by Chamberlain in 1987(15). No. 1 2 3 4 Ferulago species F. angulata (Schltdl.) Boiss. F. angulata subsp. carduchorum (Boiss. & Hausskn.) D. F. Chamb F. antiochia Saya & Miski F. armena (DC.) Bernardi 5 F. aucheri Boiss. 6 7 8 F. asparagifolia Boiss. F. bernardii Tomk. & Pimenov F. biumbellata Pomel 9 10 11 12 13 14 15 16 F. blancheana Post ex Boiss. F. bracteata Boiss. & Hausskn F. brachyloba Boiss. & Reut. F. cassia Boiss. F. contracta Boiss. & Hausskn F. daghestanica Schischk. F. fieldiana Rech.f. F. galbanifera (Mill.) W. D. J. Koch 17 18 19 20 F. glareosa Kandemir & Hedge F. granatensis Boiss. F. idaea Özhatay & Akalin F. humulis Boiss. Synonyms F. angulata Schltdl., F. linearifolia Boiss., F. trifida Boiss. F. carduchorum Boiss. & Hausskn., F. abbreviata C. C. Towns., F. pauciradiata Boiss. & Heldr., Ferula armena DC., F. bourgaei Boiss. Ferula gandogeri M.Hiroe. Ferula kochii M.Hiroe. F. sintenisii Gand. Ferula taurica (Schlschk.) M. Hiroe, F. galbanifera var. brachyloba Boiss., F. taurica Schischk. F. longistylis Boiss. Ferula sulcata var. biumbellata (Pomel), Ferula lutea var. mouretii (Maire) Maire. Batt. Ferula sulcata var. mouretii Maire Ferula brachyloba (Boiss. & Reut.) Nyman F. amani Post ex Boiss. Ferula fieldiana (Rech.f.) M. Hiroe Ferula daghestanica (Schischk.) M. Hiroe, Ferula campestris Besser, Ferula meoides L., Ferula galbaniifera Mill, F. campestris (Besser) Grecescu, F. meoides (L.) Boiss. F. dodonaei Kostel, Ferula granatensis (Boiss.) Steud. F. pumila Boiss. 21 22 23 F. isaurica Peşmen F. kurdica Post F. lutea (Poir.) Grande 24 F. macrocarpa (Fenzl) Boiss. 25 26 27 28 F. macedonica Micevski & E. Mayer F. macrosciadea Boiss. & Balansa F. mughlae Peşmen F. nodosa (L.) Boiss. 29 F. pachyloba (Fenzl) Boiss. 30 31 32 33 34 35 36 37 F. phialocarpa Rech. f. & Riedl F. sandrasica Peşmen & Quezel F. platycarpa Boiss. & Balansa F. sartorii Boiss. F. scabra Pomel F. serpentinica Rech.f. F. setifolia K. Koch F. stellata Boiss. 38 39 F. silaifolia (Boiss.) Boiss. F. subvelutina Rech. f 40 F. sylvatica (Besser) Rchb. 41 F. sylvatica subsp. confusa (Velen.) Hartvig Elaeoselinum mangenotianum Emb., Ferula capillaris Link ex Spreng., Ferula capillifolia Link., Ferula lutea (Poir.) Maire, Ferula lutea var. microcarpa (Maire)Maire, Ferula pomelii M.Hiroe, Ferula sulcata Desf., Ferula sulcata var. crassicosta (Pomel) Batt., Ferula sulcata var. leptocarpa (Pomel) Batt., Ferula sulcata var. microcarpa Maire, Ferula sulcata var. parvifolia (Pomel) Batt. F. barrelieri Guss., F. capillaris (Link ex Spreng.) Cout., F. capillifolia (Link) Franco, F. communis Petter ex Nyman, F. crassicosta Pomel, F. leptocarpa Pomel F. nodiflora Koch, F. parvifolia Pomel, F. sulcata (Desf.) Ledeb., Ligusticum luteum Poir. Ferula lophoptera (Boiss.) Benth. & Hook. f., Ferula mesopotamica, F. lophoptera Boiss. Ferula cretica (Spreng.) M. Hiroe, Ferula geniculata Guss., Ferula nodosa (L.) Benth. & Hook. f., Ferula rigida Ten., Peucedanum nodosum L, F. geniculata Boiss. Ferula cappadocica (Bornm.) M. Hiroe, Ferula pachyloba Fenzl,, F. cappadocica Bornm. F. asperula Freyn & Sint Ferula algiersia M.Hiroe, Ferula sulcata var. scabra (Pomel) Batt. Ferula pauciflora K. Koch, Ferula setifolia K. Koch, Ferula sylvatica Szov. ex Boiss., F. oxyptera Boiss., F. pauciflora K. Koch Ferula silaifolia (Boiss) M. Hiroe Ferula subvelutina (Rech. f.) M. Hiroe, Ferula turcomanica (Schischk.)M. Hiroe, F. turcomanica Schischk Ferula barrelieri Ten., Ferula commutata (Racher) M. Hiroe, Ferula ferulago var. commutata Rochel, Ferula microphylla M.Bieb. ex Schur, Ferula monticola (Boiss. & Heldr.) Neilr., Ferula myriophylla M.Bieb. ex Besser, Ferula schischkinii M.Hiroe, Ferula sylvatica Besser, Ferula verticillata Maerkl. F. athamantifolia Schur, F. commutata (Rochel) Degen, F. latiloba Schischk., F. monticola Boiss. & Heldr., F. orphanidis Boiss. & Heldr., F. rocheliana Nyman, F. transsilvanica Schur F. confuse Velen. 42 43 44 45 46 47 48 F. syriaca Boiss F. ternatifolia Solanas, M.B.Crespo & García-Martín F. thirkeana Boiss F. trachycarpa Boiss. F. thyrsifolia (Sm.) Koch F. trojana Akalın & Pi F. vesceritensis Coss. & Durieu ex Batt. F. cypria H.Wolff Ferula insularis (H. Wolff) M. Hiroe, F. frigida Boiss., F. insularis H. Wolff Ferula thyrsifolia Sm. Table 1. Accepted genus of Ferulago species based on The Plant List. Fig1. a) The Ferulago bernardii in the flowering stage, b) the fruits of the Ferulago stellata. Traditional use of Ferulago spp. Ferulago like Ferula and Prangos species have been traditionally utilized back in history in folk medicine for the medicament of hemorrhoids, and intestinal worms, peptic, sedative, carminative, digestive, aphrodisiac, snakebite, wound skin infections, headache, diseases of the gastrointestinal tract and spleen (5, 16). Due to the aromatic property of Ferulago, some of them have been applied in Iranian tradition as spices in different foods, such as dairy and meat products, for increasing the flavor and as an aroma. They have also been employed as natural preservatives for enhancing food expiration date (8, 16, 17). Bakhtiari nomads use F. angulata to make some foods and Nomads of Fars province utilize this plant to flavor yogurt. The F. angulata also used as a sedative, food-digestive, tonic, antibacterial, and antiparasitic(18). In Turkish traditional medicine, the aerial parts of a few members of this genus are used as an immunostimulant, tonic, sedative, digestive, anti-bronchitis, flavor, vermicidal, anthelmintic, and anti-peptic (19, 20). Likewise, the root parts are used for the treatment of dermatological disorders and cancers and as an aphrodisiac and are preferred as fodder to improve animal productivity (7). The seeds are applied for eye pains in the form of inhalation (8). It has been reported that dried or fresh leaves of Ferulago are used as foot deodorant by indigenous people of the north of Iraq (21). Phytochemistry of essential oils from the genus Ferulago species Essential oils or volatile oils are the phytochemical complexes of different aromatic components, mainly monoterpenoids and sesquiterpenoids, which are obtained from plant materials, for instance leaves, fruits, seeds buds, flowers, roots, and bark. They are characterized with having strong odor generally lower density than water, being volatile, rarely colored, liquid, lipophilic, and soluble in organic solvents (7). In spite of the way that these volatile oils involve around 20– 60 constituents, just a few of them exist at high amounts (20–70%) in correlation with different constituents existing in low sums (22). These phytochemicals assume a vital part in the protection of the herbs from herbivores, insects, bacteria, fungi, viruses, and also help to attract pollinators (23). These essential oils could be extracted with conventional methods (steam distillation, hydrodistillation (HD), organic solvent extraction) and innovative techniques (In situ microwave-generated hydrodistillation, supercritical carbon dioxide, microwave steam diffusion, microwave hydrodiffusion and gravity, and microwave steam distillation). Among these methods, the hydro-distillation method is the most prevalent technique for obtaining essential oils (7, 24, 25). The method of extraction, drying methods, genotypic variation, geographical origin of the plant, stage of the development, and part of the plant used may drastically affect the composition of essential oils of plants (26-28). Based on the literature, researches have revealed that the species of Ferulago genus are appropriate for the extraction of essential oils and many of them have been evaluated for chemical compositions, composition including F. macedonica, F. angulata, F. carduchorum, F. phialocarpa, F. contracta, F. macrocarpa, F. blancheana, F. bernardii, F. pachyloba, F. longistylis, F. isaurica, F. syriaca, F. platycarpa, F. thyrsiflora, F. sylvatica, F. nodosa, F. pauciradiata, F. asparagifolia, F. aucheri, F. galbanifera, F. confusa, F. humilis, F. campestris, F. idaea, F. macrosciadia, F. mughlae, F. sandrasica, F. silaifolia, F. trachycarpa, F. thirkeana, F. setifolia, F. subvelutina, F. stellata, F. capillaries F. trifida. Table 2 represents the main compounds of these essential oils, part of the herb that was used, methods of extraction, percentage yield, class of components, and their references. Plant name F. macedonic a F. angulata Yield (%) - Metho ds HD Part 0.66 Infloresce nce Aerial parts Aerial parts Flowers 0.54 Stems 0.43 Leaves 2.8 2.65 6.5 HD HD MAH D Fruits F.carducho rum 0.63 HD 3.2 Fruits 1.3 HD F. phialocarp a 0.14 HD F.contracta 0.68 F. macrocarp a Leaves 0.89 HD Aerial parts Aerial parts Infloresce nce Aerial parts 1.3 Flowers 0.54 Leaves 0.4 Stems - HD Flowers Leaves Main components (%) Class Re f. (29 ) α-Pinene (43.1), Sabinene (26.7) Monoterpene (69.8) α-Pinene (22.8), Sabinene (15.5) Monoterpene (38.3) α-Pinene (15.4), cis-Ocimene (30) Monoterpene (45.5) β-Phellandrene (16.5), αPhellandrene (27), p-Cymene (10), α-Pinene (12) β-Phellandrene (16), αPhellandrene (18), p-Cymene (17.7), α-Pinene (21) α-Pinene (16.8), α-Phellandrene (20.7), p-Cymene (14.5), βPhellandrene (16) Limonene (38), α-Pinene (18.1) Limonene (35), α-Pinene (14) Monoterpene (65.5) Monoterpene (56.1) Monoterpene (49) (32 ) β-Phellandrene (32), αPhellandrene (13.8) α-Pinene (26), cis-Ocimene (24.5), Bornyl acetate (6.2) Monoterpene (45.8) (33 ) (18 ) cis-Ocimene (64-76), α-Pinene (7.3-15) (z)-β-Ocimene (43.5), α-Pinene (18.2) α-Pinene (41), α-Phellandrene (14.2), β-Phellandrene (9.5) α-Pinene (43.38), cisChrysanthenyl acetate (6) 2,4,5Trimethyl benzaldehyde (17). β-Phellandrene (15), (E)-βOcimene(10) α-Phellandrene (14.5), β-eudesmol (11) β-Phellandrene (25), αPhellandrene (25) β-Eudesmol (24.5 ), Spathulenol (16), Citronellol (12) β-Phellandrene (15.5), αPhellandrene (11.5) Bornyl acetate (37.1), Terpinolene (10) Bornyl acetate (37.91), o-Cymene (7.83) (30 ) (31 ) Monoterpene (72.7) Monoterpene (68) Monoterpene (50.5), Oxygenated monoterpene (6.2) Monoterpene (71.3-91) Monoterpene (61.7) Monoterpene (64.7) Monoterpene (43.38), Oxygenated monoterpene (6) Oxygenated hydrocarbon (17) Monoterpene (39.5), Oxygenated sesquiterpene (11) Monoterpene (50) (34 ) (35 ) (36 ) (37 ) Oxygenated sesquiterpene (40.5), oxygenated monoterpene (12) Monoterpene (27) Oxygenated monoterpene (37.1), Monoterpene (10) Oxygenated monoterpene (37.91), Monoterpene (7.83) (38 ) 0.030.04 0.80 F. blancheana - HD, MAH D HD F. pachyloba F. longistylis (39 ) (40 ) Bornyl acetate (49), 2,3,6Trimethyl benzaldehyde (7) Oxygenated monoterpene (49), Oxygenated hydrocarbon (7) Monoterpene (40.7) Oxygenated monoterpene (11.7), Sesquiterpene (10) Oxygenated hydrocarbon (20.3), Oxygenated sesquiterpene (17.8) Oxygenated hydrocarbon (21), Monoterpene (17) Monoterpene (49.2), Oxygenated monoterpene (11.6) Monoterpene (35.5) (41 ) Sabinene (23.2), Myrcene (17.5) Bornyl acetate (11.7), βCaryophyllene (10.2) E)-2-Decenal (20.3), Caryophyllene oxide (17.8) 0.2 HD - HD Aerial parts Aerial parts 2,4,5-Trimethylbenzaldehyde (21), α-Pinene (17) α-Pinene (35), Bornyl acetate(11.6), z-β-Ocimene (14.2) 1.5 HD 0.16 HD Aerial parts Aerial parts (Z)-β-Ocimene (25.7), α-Pinene (9.8) 2,3,6-trimethylbenzaldehyde (32.7), Bornyl acetate (12.6) Fruits 2,3,6-Trimethylbenzaldehyde (29),(Z)-β-Ocimene (16), αPinene (17) α-Pinene (31.5), Limonene (24.2), Myrcene (17.0) Terpinolene (42.1), Myrcene (27) Nonacosane (25.5), Hexadecanoic acid (14.8) Myrcene (15.3), terpinolene (12.5), 4,6-Guaiadiene (10.7) Bornyl acetate (69.4), Terpinolene (12.5) 12 HD Fruits HD Roots Aerial parts Fruits 0.7 0.08 F. syriaca Oxygenated monoterpene (62.9) Oxygenated monoterpene Flowers Aerial parts Roots 6.4 F. isaurica Fruit Bornyl acetate (45.7), Borneol (17.2) Borneol and Bornyl acetate HD - F. bernardii Aerial parts Flower 4.8 1.1 Roots F. platycarpa 0.07 HD Aerial parts F. thyrsiflora F. sylvatica 0.80 HD 0.10 HD Aerial parts Aerial parts Roots - 2,3,6-Trimethylbenzaldehyde (29.8), cis-Chrysanthenyl acetate (24.2) Spathulenol (31) Sparhulenol (13) 2,3,6-Trimethylbenzaldehyde (92.7) Oxygenated hydrocarbon (32.7), Oxygenated monoterpene (12.6) Oxygenated hydrocarbon (29), Monoterpene (33) Monoterpene (72.7) Monoterpene (69.1) Hydrocarbon (25.5), Fatty acid (14.8) Monoterpene (27.8), Sesquiterpene (10.7) Oxygenated monoterpene (69.4), Monoterpene (12.5) Oxygenated hydrocarbon (29.8), Oxygenated monoterpene (24.2) Oxygenated sesquiterpene (31) Oxygenated sesquiterpene (13) Oxygenated hydrocarbon (92.7) (42 ) (10 ) (16 ) (43 ) (43 ) (7) (44 ) (43 ) (44 ) (43 ) (45 ) (45 ) (46 ) - F. nodosa F. pauciradiat a Aerial parts Infloresce nce Fruits Germacrene D (32.5) Sesquiterpene (32.5) Myrcene (29.2) Monoterpene (29.2) p-Cymene (45.8), 2,5 dimethoxy p-Cymene (40) α-Pinene (31) Monoterpene (85.8) Oxygenated hydrocarbon (42.2), Monoterpene (22.5) Monoterpene (72.5) - M.D 3 HD - SDE 2,3,4-Trimethylbenzaldehyde (42.2), α-Pinene(22.5) - SFE Fruits α-Pinene (55.5), Myrcene (10), cis-β-Ocimene (7) trans-Chrysanthenyl acetate (25), 2,3,6-Trimethyl benzaldehyde (20.7), α-Pinene (23.7) Fruits Bornyl acetate (30.5), α-Pinene (7), Germacrene D (8) - Roots - 2,5, dimethoxy-p-Cymene (70), pCymene (12.5) 2,5, dimethoxy-p-Cymene (33), Nonacosane (9), α-Pinene (9) 2,3, 6-trimethylbenzaldehyde (42), α-Pinene (11) 2, 3, 6-trimethylbenzaldehyde (38.9), Myrcene (18.2) - - HD Aerial parts - M.D Aerial parts Fruits - HD Fruits F. aucheri - MD Fruits α-Pinene (36) F. confuse - MD Fruits F. galbanifera - MD Fruits 1.3 HD Fruits MD Fruits 3.9 HD Fruits 0.11 HD Aerial parts Flowers Roots p-Cymene (24), 2,5-dimethoxy-pCymene (63.5) trans-Chrysanthenyl acetate (17.2), Limonene (10), p-Cymene (12), α-Phellandrene (11), α-Pinene (31.8), Sabinene (15.8), Limonene (7) Limonene (31), (Z)-b-Ocimene (32) Limonene (17.5), (Z)-β-Ocimene (32.5), α-Pinene (12) 2,4,5-trimethyl benzaldehyde, 2,4,6-trimethyl benzaldehyde F.asparagif olia F. humilis F. campestris 0.13 0.05 Monoterpene (31) Oxygenated monoterpene (25), Oxygenated hydrocarbon (20.7) Monoterpene (23.7) Oxygenated monoterpene (30.5), Monoterpene (7), Sesquiterpene (8) Monoterpene (82.5) Monoterpene (42), Hydrocarbon (9) Oxygenated hydrocarbon (42), Monoterpene (11) Oxygenated hydrocarbon (38.9), Monoterpene (18.2) Monoterpene (36) Monoterpene (87.5) Oxygenated monoterpene (17.2), Monoterpene (33) Monoterpene (54.6) Monoterpene (63) Monoterpene (62) Oxygenated hydrocarbon (47 ) (45 ) (48 ) (20 ) (49 ) (47 ) (50 ) (47 ) (47 ) (47 ) (51 ) (47 ) (51 ) (52 ) 1.50 0.11 MAH D 0.13 0.10 1.05 HD 6.4 Fruits Aerial parts Flowers Roots Fruits Roots Fruits α-Pinene (58.3–75) Myrcene (36), α-Pinene (23), γTerpinene (10) Myrcene (33.4–39.7), α-Pinene (23) p-Cymene (18.5), α-Pinene (16), Carvacrol methyl ether (13), 2,3,6-Trimethyl benzaldehyde (14) p-Cymene (19.5), Carvacrol methyl ether (78) α-Pinene (25.4), Cubenol (12.7) - WD Fruits F. idaea - MD Fruits F.macrosci adia F. mughlae - MD Fruits - MD Fruits - HD α-Pinene (45.5), Camphene (10.5) - Aerial parts Roots - Fruits α-Pinene (53), Myrcene (3.9), βPhellandrene (11), Limonene (6) α-Pinene (40.8), Germacrene D (8) α-Pinene (26.5), Camphene (5), Caryophyllene oxide (6) F. sandrasica - MD Fruits - HD Herb - Roots 0.62 Leaves 0.02 HD F. silaifolia - MD Aerial parts Fruits F. trachycarp a - MD Fruits - HD Fruits 7.3 Fruits α-Pinene (37.5), Borneol (9.5) α-Pinene (28), δ-3-Carene (14.2), Limonene (26) Ocimene (30.5), α-Pinene (17.8), δ-3-Carene (27.4) Limonene (29), Terpinolene (14), α-Pinene (15.6) α-Pinene (5.5), TransChrysanthenyl acetate (83.5) γ-Terpinene (27.8) (Z)-β- Ocimene (34.1), α-Pinene (8) (Z)-p-Ocimene (30.7), Myrcene (27.7) Monoterpene (58.3–75) Monoterpene (69) (23 ) Monoterpene (56.4-62.7) (53 ) (47 ) Monoterpene (34.5), Oxygenated monoterpene (13), Oxygenated hydrocarbon (14) Oxygenated monoterpene (78), Monoterpene (19.5) Monoterpene (25.4), Oxygenated sesquiterpene (12.7) Monoterpene (56) (47 ) (47 ) (54 ) Monoterpene (37.5), Oxygenated monoterpene (9.5) Monoterpene (72.9) Monoterpene (40.8), Sesquiterpene (8) Monoterpene (31.5), Oxygenated sesquiterpene (6) Monoterpene (68.2) (47 ) (55 ) Monoterpene (75.7) (56 ) (57 ) (47 ) (47 ) (51 ) (58 ) Monoterpene (58.6) Oxygenated monoterpene (83.5), Monoterpene (5.5) Monoterpene (27.8) Monoterpene (42.1) Monoterpene (58.4) 4.1 HD Fruits Ferulagone (64), Germacrene D (14), α-Pinene (10) - MD Fruits Ferulagone (56), Germacrene D (12), α-Pinene (9) F. setifolia 0.26 HD Aerial parts F. subvelutina - HD Aerial parts Aerial parts Aerial parts Aerial parts Aerial parts 2,4,5-Trimethyl benzaldehyde (77.8), 2,3,4-Trimethyl benzaldehyde (6.2) Limonene (27), α-Phellandrene (23.1), α-Pinene (13.3) Limonene (30), Terpinolene (14), α-Pinene (15.5), 2,4,5-Trimethyl benzaldehyde (61.1) α-Pinene (35.8), Limonene (30.9) F. thirkeana F. stellata F.capillaris 0.60 HD - HD 1.5 HD Oxygenated monoterpene (64), Sesquiterpene (14), Monoterpene (10) Oxygenated monoterpene (56), Sesquiterpene (12), Monoterpene (9) Oxygenated hydrocarbon (84) (59 ) Monoterpene (63.4) (60 ) (61 ) (60 ) (62 ) (63 ) Monoterpene (58.5) Oxygenated hydrocarbon (61.1) Monoterpene (66.7) Oxygenated monoterpene (35.39), Sesquiterpene (8.68) 1.4 Flowers Monoterpene (53.8), Oxygenated monoterpene (9.5) 0.8 Roots Suberosin (20.7), Cuparene (6), β- Coumarin (20.7), Sesquiterpene (12.5) Barbatene (6.5) 1.3 Stems (E)-β-Ocimene (20.7), α-Pinene Monoterpene (43.3), (22.6), Bornyl acetate (8.5) oxygenated monoterpene (8.5) 1.6 Leaves (E)-β-Ocimene (25.7), Bornyl Monoterpene (45.3), acetate (16.7), α-Pinene (19.6) Oxygenated monoterpene (16.7) 1.4 Fruits (E)-β-Ocimene (30.5), Bornyl Monoterpene (48.5), acetate (11), α-Pinene (18) Oxygenated monoterpene (11) HD: Hydrodistillation, SDE: Simultaneous Distillation Extraction, MAHD: Microwave-assisted distillation. F. trifida Isobornyl acetate (25.73), Verbenol (9.66), E-βCaryophyllene (8.68) (E)-β-Ocimene (37.3), α-Pinene (16.5), Bornyl acetate (9.5) Table 2. Main constituents of the volatile oils of 35 Ferulago species studied before According to data of the volatile oils extracted from various Ferulago spp., it is clear that every species and each part of the plant have a diversified set of main compounds. Therefore, it is hard to find similarity among the species of this genus concerning the chemicals. Several compounds, like α-Pinene, p-Cymene 2,3,6-trimethyl benzaldehyde, cis-Chrysanthenyl acetate, α-Phellandrene, Sabinene, (Z)-β-Ocimene, Limonene, Myrcene, Terpinolene, Nonacosane, and δ-Cadinene, have been detected as main components of the volatile oils of many Ferulago species. To date, analysis has shown that the α-Pinene is a major compound of several Ferulago species; hence, this might be regarded as a perpetual constituent for the genus (7). There are (28 ) (64 ) certain other notable points to report; primarily, the compound of spathulenol was the major component from aerial parts of only two species namely, F. sylvatica and F. thyrsiflora (45). Secondly, the compound of ferulagone was found as the main compound of only F. thirkeana obtained from its fruits (59). Thirdly, carvacrol methyl ether obtained with MD from fruits of F. macrosciadia and F. idaea was the major component of only these two species (47). Furthermore, Cecchini et al. compared the composition of the volatile oil from roots and fruits of F. campestris from two sites of collection and two periods of time. They found significant differences in the percentages of (2,3,6) ‐trimethyl benzaldehyde (14.8–27.9% in the roots gathered in the summer, 65.2% in roots gathered in the fall) and α-Pinene (58.3-75% in the roots gathered in the summer, 19.3% in the roots gathered collected in the fall)(23). Phytochemistry of plant extracts from the genus Ferulago species Phytochemical investigations on Ferulago species have shown the presence of various secondary metabolites including coumarins, coumarin esters, furanocoumarins, aromatic compounds, monoterpenes, sesquiterpenes, flavonoids, quinones, and stilbene. Table 3 depicts the main phytochemicals that have been isolated and characterized from Ferulago species. Up to now, several researches have been done to distinguish active compounds from different parts of ferulago genus, from which about 73 (three simple coumarins, sixteen furanocoumarins, five dihydro-furanocoumarin, four sesquiterpene coumarin, twelve prenylated coumarins, six pyranocoumarin, nine flavonoids, and eighteen miscellaneous compounds) bioactive compounds were isolated. Based on literature, coumarins and their derivatives are the most prevalent secondary metabolites on the Ferulago species and might be used as a chemotaxonomic marker in the genus Ferulago (65). The classification of different types of coumarins and various biological applications of each compound was reviewed by Venugopala et. al. (66). Compounds Umbelliferone Class Simple coumarin Structure Plants and References F. asparagifolia (67), F. cassia (8), F. bernardii(68) 6-hydroxymethyl herniarin Simple coumarin F. trifida (69) Crenulatin Simple coumarin F. trachycarpa (14) Imperatorin Furanocouma rin F. trifida (69) Isoimperatorin Furanocouma rin F. trifida (69) Isopimpinellin Furanocouma rin F. carduchorum (70) Isooxypeucedanin Furanocouma rin F. turcomanica (71) Oxypeucedanin Furanocouma rin Oxypeucedanin Hydrate (Prangol) Furanocouma rin F. bernardii (68), F. meoides (72) F. capillaries, F. brachyloba (65) F. turcomanica (71), F. grandatensis (73), F. subvelutina (74), F. platycarpa (75), F. sylvatica (76), F. angulate (77), F. trifida (69) F. capillaries, F. brachyloba (65), F. meoides (72), F. sylvatica (76), F. turcomanica, F. subvelutina (74), F. angulate (77), F. trifida (69) Oxypeucedanin methanolate Furanocouma rin F. trifida (69) Oxypeucedanin hydrate senecioate Furanocouma rin F. capillaris (65) Psoralen Furanocouma rin F. turcomanica (71), F. bernardii (68) 8-methylpsoralen Furanocouma rin F. asparagifolia (67) Xanthotoxin Furanocouma rin F. syriaca (19) F. isaurica (19), F. bracteata, F. pachyloba, F. trachycarpa, F. blancheana (78), F. angulate (77), F. carduchorum (70), F. trifida (69) 8-(1,1 dimethylallyl) bergaptol Furanocouma rin F. syriaca (19), F. capillaris(65) (-)-Pranferol Furanocouma rin F. capillaris (65) Bergamotin Furanocouma rin F. capillaris (65) Bergapten Furanocouma rin Alatol Furanocouma rin F. syriaca (19), F. isaurica (19), F. pachyloba, F. blancheana, F. trachycarpa, F. bracteata (78), F. carduchorum (70), F. trifida (69) F. capillaris (65) Marmesin Dihydrofuranocoumar in F. blancheana (78), (-)-Isovaleryl Marmesin Dihydrofuranocoumar in F. granatensis (73), F. capillaris (65) Felamidin (Benzoyl marmesin) Dihydrofuranocoumar in Prantschimgin (2’’senecioyl marmesin) Dihydrofuranocoumar in Rutarin Dihydrofuranocoumar in F. pauciradiata (20), F. syriaca (19), F. isaurica (19), F. pachyloba, F. trachycarpa, F. bracteata, F. campestris (79), F. blancheana (78) F. pauciradiata (20), F. syriaca (19), F. isaurica (19), F. aucheri (80), F. bernardii (68), F. pachyloba, F. trachycarpa, F. bracteata, F. blancheana (78), F. carduchorum (70), F. asparagifolia (67), F. trifida (69) F. asparagifolia(81) Umbelliprenin Sesquiterpene coumarin F. cassia (8), F. campestris (82-85) Samarcandin Sesquiterpene coumarin F. campestris (86) Coladin Sesquiterpene coumarin F. campestris (82, 83) Coladonin Sesquiterpene coumarin F. campestris (82, 83) Osthole (Osthol) Prenylated coumarin Osthenol Prenylated coumarin F. brachyloba, F. capillaries (65) F. campestris (79) F. turcomanica (71), F. subvelutina (74), F. pachyloba, F. trachycarpa, F. bracteata, F. blancheana (78) F. aucheri (80) 7-Isopentyloxy coumarin Prenylated coumarin F. campestris (84) Peucedanol-2’benzoate Prenylated coumarin F. bracteata (78), F. blancheana Peucedanol Prenylated coumarin F. cassia (8) Suberosin Prenylated coumarin F. trachycarpa, F. bracteata (78), F. carduchorum (70), F. trifida (69), F. trachycarpa (14), F. cassia (8) Suberosin epoxide Prenylated coumarin F. angulata(87) Suberenol Prenylated coumarin F. carduchorum (70), F. trifida (69) Grandivitinol Prenylated coumarin F. pachyloba, F. trachycarpa, F. bracteata, F. blancheana (78), F. cassia (8) Grandivittin Prenylated coumarin F. campestris (79), F. asparagifolia (67), F. trifida (69) Ulopterol Prenylated coumarin F. trachycarpa (14, 78), F. trifida (69), Auraptene Prenylated coumarin F. brachyloba (65), F. campestris(84) Agasyllin Pyranocouma rin F. campestris (79), F. asparagifolia (67) Benzoyl aegelinol Pyranocouma rin Pyranocouma rin F. campestris (79) Aegelinol F. asparagifolia (67) Asparagifolin Pyranocouma rin F. asparagifolia (67) Decursin Pyranocouma rin F. campestris(86) 4’’-hydroxy Grandivittin Pyranocouma rin F. macrocarpa (88) Isorhamnetin Flavonoid F. sylvatica (89) Isorhamnetin-3-Ogalactoside Flavonoid F. aucheri (80), F. asperigifolia (67) Rutin Flavonoid F. asparagifolia (67) Hesperetin Flavonoid F. carduchorum (70) 6-hydroxy apigenin 6-methyl ether Flavonoid F. aucheri (80) Quercetin Flavonoid F. sylvatica (89), F. angulata (90) Quercetin 3-Oglycoside Flavonoid F. confuse (91) Rhamnetin Flavonoid F. asparagifolia(67) ()-angelicoidenol-2O-b-apiofuranosyl(1/6)-bglucopyranoside Othercompound F. asparagifolia (67) Quinol monoacetate Othercompound F. aucheri (80) Dillapiole Othercompound F. thyrsiflora, F. nodosa, F. sylvatica (45) Lupanine Othercompound F. thyrsiflora (45) 3,5-di-(E,E)caffeoylquinic acid Othercompound F. asparagifolia (67) Chlorogenic acid Othercompound F. asparagifolia (81) Polycerasoidin Othercompound F. angulata (92) siol anisate Othercompound F. campestris (82, 83) Ferutinin Othercompound F. campestris (82, 83) Myristicin Othercompound F. antiochia (93) 1-acetyl-5-angeloyl lapiferol Othercompound F. campestris (82, 83) 2-epilaserine Othercompound F. campestris (82, 83) Epihelmanticine Othercompound F. campestris (82, 83) 9-epoxyfalcarindiol Othercompound F. campestris (82, 83) Nonacosane β-Sitosterol Othercompound Othercompound F. bernardii (68) F. pachyloba, F. trachycarpa, F. bracteata, F. blancheana (78), F. carduchorum (70) b-sitosterol linoleate Othercompound F. angulata (77), F. subvelutina (74) Stigmasterol Othercompound F. pachyloba, F. trachycarpa, F. bracteata, F. blancheana (78), F. angulata (77), F. macrocarpa(41) Table 3. Chemical compounds isolated from the Ferulago genus. Pharmacological activities In the last two decades, many ferulago species have been widely studied with advanced scientific methods and reported for several pharmacological properties such as antibacterial activity, antioxidant activity, antidiabetic activity, larvicidal activity, Alzheimer, and anticancer activity. These pharmacological activities of Ferulago are considered to be attributed mainly to its coumarins and furanocoumarins and essential oil (66). Table 4 depicts pharmacological activity and model of study of the genus Ferulago. Antibacterial activity The volatile oils of many herbs of genus Ferulago have been the focus on pharmacological activity, particularly from an anti-oxidant, antimicrobial and antifungal point of view (7, 20, 29). In the literature, antimicrobial and antifungal properties of essential oil were screened versus Gram-positive (Staphylococcus aureus, S. epidermidis, and methicillin-resistant S. aureus), and Gram-negative (Escherichia coli, Salmonella typhimurium, Bacillus cereus, Proteus vulgaris, Enterobacter aerogenes, and Pseudomonas aeruginosa) bacteria, and the yeast (Candida albicans, C. parapsilosis, and C. tropicalis) via broth microdilution assay. Sucu et al., 2019, studied the antimicrobial effects of volatile oil from the roots and aerial parts of F. sandrasica and found that both essential oils were not active against C. tropicalis and C. parapsilosis compared to positive controls (55). The volatile oil of the aerial portions was found to be active against Salmonella typhimurium, Staphylococcus aureus, and Bacillus subtilis, however, inactive against E. coli; the root essential oil was active against B. subtilis and S. typhimurium compared with E. coli, but not active against S. aureus. Recently, Karakaya et al. assessed antimicrobial activity of n-butanol, ethyl acetate, dichloromethane, methanol extracts, and aqueous residue parts of methanol extracts from the aerial parts and roots of four Ferulago species (F. pachyloba, F. bracteata, F. trachycarpa, and F. blancheana) along with 14 isolated compounds via micro broth-dilution methods. Their result demonstrated that the best antimicrobial effect against B. subtilis, E. coli, S. aureus, P. aeruginosa, and C. albicans were obtained with methanol extract of the roots, n-butanol fractions, and methanol extract of the aerial parts from F. blancheana (62.5 µg/mL), dichloromethane fraction of the roots and aerial parts from F. pachyloba (62.5, 31.25 µg/mL), the n-butanol fraction of the aerial parts, dichloromethane fractions of the aerial parts and roots, methanol extracts and ethyl acetate fraction of the roots from F. bracteata (62.5 µg/mL), dichloromethane fraction of roots, and methanol extracts of roots and aerial parts from F. trachycarpa (62.5 µg/mL) and prantschimgin (31.25 µg/mL)(78). According to them, the E. coli was less affected than the other microorganisms; the best activity against C. albicans (MIC = 31.25 μg/mL) obtained by the CH2Cl2 fraction of aerial portions from F. pachyloba and isolated compound prantschimgin. Furthermore, Pinto et al. evaluated the antifungal effects of an essential oil, and two main compounds of it on germ tube formation, ergosterol biosynthesis, and mitochondrial function. Limonene presented a weaker activity (0.32 to 20μL/mL) than the essential oil and α-pinene with low and similar to MIC and MFC values against the tested organisms (0.08 to 5.0μL/mL). The essential oil of F. capillaris suppressed germ tube formation at sub-inhibitory dose on Candida albicans. The mechanism of antifungal activity of F. capillaris indicated no distribution on the ergosterol content and defect of mitochondrial role in a dose-dependent way in essential oil-treated C. albicans (62). Anti-oxidant effect In the recent decades, extensive studies have been conducted on the evaluation of the antioxidant function of medicinal plants as a source of natural compounds not only to combat several degenerative disorders, including cardiovascular disease and cancer, but also as a substitute compound to artificial additives, like butylated hydroxytoluene (BHT) and butylated hydroxyanisole (BHA) in food productions (94). Anti-oxidant constituents diminish the extent of oxidative damage via acting as free radical scavengers (95). There are numerous methods, such as radical scavenging power, reducing power, and inhibition of lipid peroxidation in a βcarotene–linoleate system for assessing the antioxidant activity of plant extracts or volatile oils (96). The DPPH radical-scavenging method is one of the easiest and rapid tests for evaluating the antioxidant activity of natural compounds(16). According to literature, an antioxidant activity study has been performed on F.macrocarpa, F. carduchorum (97), F. bernardii (16), F. sandrasica, F.macedonica, F. trifida (64), F. subvelutina (74), F. cassia (8), F. angulata, and F. campestris (79). The antioxidant activities of four fractions and crude extract of aerial portions of F. carduchorum at 2 vegetative periods (flower and fruit) were assessed using the DPPH method. The best activity belonged to flower crude extract (IC50=0.44 mg/mL)(97). Shahbazi and Shavisi investigated the antioxidant activities of nonpolar and polar sub-fractions of methanolic extract, and the volatile oil of the aerial parts of F. bernardii and compared them to BHT via DPPH assay. The antioxidant activity with the mean of IC50 were polar sub-fractions (5.66), non-polar sub-fractions (6.88), and essential oil (14.81), while they displayed lower radical scavenging activity compare with BHT(16). Tavakoli et al. found that due to lack of phenolic compounds in the conformation of the volatile oil of different parts of F. trifida, a feeble free radical scavenging effects was observed (IC50: 95–120 μg ml−1) compare to BHT (IC50: 21.2 ± 2.6 μg ml−1)(64). Moderate antioxidant activities were attained with DPPH test from isolated coumarin of the roots of F. subvelutina compare to BHT (IC50= 27 µg/mL) > oxypeucedanin hydrate (IC50= 160 µg/mL) >meranzin hydrate (IC50=180 µg/mL) >osthole(IC50 = 27 µg/mL) >oxypeucedanin (IC50= 217 µg/mL) >isoimperaturin(IC50= 245 µg/mL) > xanthotoxin (IC50= 270 µg/mL)(74). In another study, the antioxidant activity of isolated compound, and the extracts and fractions of the aerial parts, fruits, flower, and roots of F. cassia were investigated via TBA assay. The highest antioxidant potential was obtained based on following order: Peucedanol (IC50 = 18.1 µg/mL)>Suberosin (IC50 = 23.5 µg/mL)> roots CH2Cl2fractions (IC50 = 43.1 µg/mL)> fruit CH2Cl2 fractions (IC50 = 54.4 µg/mL) > Grandivitinol (IC50 = 61.1 µg/mL) > Umbelliferone (IC50 = 79.5 µg/mL)(8). Pharmacological activities Anti-microbial Anti-fungal Anti-oxidant Alzheimer Anti-diabetic Anti-coagulant Anti-malaria Aphrodisiac Plant Model References F. sandrasica F. pachyloba, F. blancheana, F. trachycarpa, F. bracteata F. capillaris F. carduchorum F. bernardii F. trifida, F. sandrasica, F.macedonica, F. cassia F. angulata, and F. campestris F. subvelutina F. subvelutina, F. angulata F.pauciradiata F. carduchorum F. isaurica and F. syriaca. F. trifida F. angulata F. pauciradiata F. blancheana, F. pachyloba, F. trachycarpa F. carduchorum F. carduchorum F. trifida F. syriaca In-vitro In-vitro [55] [78] In-vitro In-vitro In-vitro In-vitro In-vitro In-vitro In-vitro In-vitro In-vitro In-vitro In-vitro In-vitro In-vitro In-vitro In-vitro [62] [97] [16] [64] [8] [79] [74] [98] [20] [34] [19] [64] [99] [20] [100] In-vivo In-vitro In-vitro In-vitro [17] [101] [102] [103] Table 4. Pharmacological activities and model of study of the genus Ferulago. Alzheimer disease (AD) Alzheimer is one of the neurological disorders with decreasing acetylcholine followed by the deterioration of short-term memory, which occurs in elderly people mostly based on genetic inheritance. One promising strategy for combating AD is using anticholinesterases or acetylcholinesterase inhibitors (AChEIs) to inhibit the hydrolysis of acetylcholine and raise its level in the synaptic cleft (82). Hajimehdipoor and co-worker studied the acetylcholinesterase inhibitory property of the total extracts and fractions of the aerial portions of F. subvelutina and the whole plant of F. angulata employing the Ellman method. Their result implied that a total extract of both Ferulago genes have the ability to inhibit the acetylcholinesterase enzyme with 19.7% and 15.8% respectively for F. subvelutina and F. angulata. The dichloromethane fraction displayed the highest AChEI activity among all the fractions (98). Golfakhrabadi et al. found that all the coumarins obtained from the aerial parts of F. carduchorum have AchE enzyme inhibition, among which xanthotoxin revealed the highest inhibitory (IC50=39.64 µM) (70). The essential oil of F. carduchorum has been also found to be of AChE inhibitory activity (IC50= 23.6 µl ml-1) (34). In another study on AChE inhibitors via a bioassay-guided isolation, the dichloromethane extract from the root of F. campestris was investigated. Three daucane ester derivatives (1-acetyl-5-angeloyl lapiferol, ferutinin, and siol anisate), two phenol derivatives (epielmanticine and 2-epilaserine), one polyacetylene (9-epoxyfalcarindiol), and three coumarin derivatives (coladin, coladonin, umbelliprenin) were isolated. All the obtained constituents had the ability to inhibit the AChE, but at higher doses (IC501.2–0.1 mM) than the standard galantamine (6.7μM) and the most active compounds were the epielmanticine and the siol anisate with IC50 of 0.172 and 0.175 µM, respectively (82). In addition, Karakaya and co-worker studied the anticholinesterase effects of the fractions and extracts from the aerial parts and roots of F. isaurica and F. syriaca. Strong inhibitory activities against butyryl cholinesterase (BuChE) (88.56 ± 2.34%) and AChE (46.99%) at 20 µg/mL were observed in the CHCl3 part of the root of F. Isaurica. Felamidin (77.11%); prantschimgin (74.82%), two obtained constituents from chloroform part of roots, presented a strong inhibitory effect against BuChE (19). In another study, AChE inhibitory activities of the volatile oils of the fruits, roots, and flowers of F. trifida were investigated. The result revealed significant AChE inhibitory activity (78.7, 74.3, and 72.1 % inhibition of Ach Enzyme, respectively) (64). Hritcu and co-worker found the volatile oil extracted from the aerial part of F. angulata has an anti-amnesic activity in scopolamine-induced memory deterioration in rats and diminish AChE activity in hippocampal (99). In another study the volatile oil from fruits of F.pauciradiata revealed strong inhibitory properties against BuChE and AChE (IC50= 0.567, 7.987 l/ml, respectively)(20). Anti-diabetic effects α-glucosidase, and α-amylase inhibitory activity of the extracts and some compounds from the roots of F. blancheana, F. trachycarpa, and F. pachyloba have been evaluated by in-vitro bioassay-guided isolation methods to determine the anti-diabetic properties of this plant. The obtained result demonstrated that the highest activities versus α-glucosidase with an IC50 value of 0.3, 2, 2 mg/mL belonged to CH2Cl2 extracts of the roots of F. trachycarpa, F. pachyloba, and F. blancheana, respectively. Suberosin and felamidin compounds possessed momentous αglucosidase inhibitory activities with IC50 values of 0.9 and 0.4 mg/mL, respectively, while the IC50 for acarbose as standard was 4.9 mg/mL. The acarbose depicted a strong α-amylase inhibitory activity (82.3%) at a dose of 1 mg/mL whereas none of the other extracts displayed significant α-amylase inhibitory effect (100). Anti-coagulant activity Golfakhrabadi et al. evaluated the toxicological profile of oral application of the F. carduchorum extract and the anticoagulant effects of two isolated coumarins (suberenol and suberosin) in male Wistar rats. The LD50 of the plant extract for acute toxicity was over 2000 mg/kg and there were no substantial variations (p>0.05) among the control and the treated groups concerning the biochemical and hematological parameters. The prothrombin time (PT) of the treated group with total extract from the aerial part of the plant has not shown a major impact relative to the control group (receiving tap water by gavage) (p>0.05) at doses of 250 and 500 mg/kg. Meanwhile, suberosin expanded the PT at doses of 3 and 6 mg/kg (16.7 and 17.4 s, respectively) and suberenol at the same dose (16.5 and 17.1 s, respectively)(17). Anti-malaria Khanavi et al. assessed the larvicidal activity of chloroform, methanol, ethyl acetate, and the total 80% methanol extract from the aerial part of F. carduchorum against late 3rd, and early 4th instar larvae of malaria vector Anopheles stephensi. The LC90 of chloroform, ethyl acetate, the total extract, and methanol fractions were 0.455, 1.892, 1.509, and 10.886 ppm, respectively. Moreover, the LC50 of chloroform, ethyl acetate, the total extract, and methanol fractions were 0.236, 0.744, 0.480, and 3.702 ppm, respectively. The chloroform fraction indicated lower LC50 and LC90 values than the other extracts, which might be due to the presence of a high content of phytosteroids and coumarins (101). In another study, larvicidal activity of a few isolated coumarin, methanol, and chloroform extracts of the roots, leaves, and fruits of F. trifida were investigated on the third instar larvae of A. stephensi Listonas. Strong insecticidal properties were founded for methanol extract of the fruit with LC90 and LC50 values of 18.12 and 2.94 ppm, respectively. Among pure compounds, oxypeucedanin presented moderate toxicity against A. stephensi with LC90 and LC50 values of 346.41 and 116.54 ppm, respectively. It could be concluded that the methanol extract from the fruit of F. trifida might be utilized as an effective bio-insecticide in green control programs of mosquitoes, particularly A. stephensi (102). Aphrodisiac activity An in-vitro study was conducted by Ozturk et al. to investigate the aphrodisiac activity of the lyophilized water extract from the roots of F. syriaca on human corpus cavernosum. For finding the mechanism involving in relaxation, the effect of the extract was investigated on the relaxing responses to selective guanilate cyclase inhibitor (oxadiazolo [4,3-α] quinoxalin-1one (ODQ)), NO-synthesis inhibitor (NG-nitro-L-arginine methyl ester (L-NAME)), forskolin, Electrical field stimulation (EFS), sodium nitroprusside, and acetylcholine. The result displayed that the extract could have to relax in a dose-dependent way on corpus cavernosum strips, and the L-NAME (small dosages) and QDQ (in all dosage) were able to suppress the extract-induced relaxation in the human corpus cavernosum. The F. syriaca extract enhanced the relaxation response of strips with Ach incubation while the extract did not affect the relaxation induced by EFS, forskolin sodium, and nitroprusside. The result suggested that the extract of F. syriaca could possibly act via stimulating the NO- cyclic guanosine monophosphate (cGMP) pathway (103). Toxicity profile of the genus Ferulago Nowadays, the usage of herbal remedies has increased around the world, and patients falsely feel that they are healthy because they are natural. While these products comprise several bioactive compounds and might cause adverse effects on consumers (104, 105). Therefore, it is essential to herbal medicines undergo current safety and efficacy tests. Based on the literature review, there is only one piece of scientific study about the safety of this herb. Golfakhrabadi et al. investigated oral acute, and sub chronic toxicities of the total extract of the aerial parts of F. carduchorum in the rat (17). To study acute toxicity five rats were treated with one dose of the total extract (2000 mg/kg) orally and the control group was treated with tap water. For the sub chronic study, the doses (250, 500, and 1000 mg/kg) of the total extract applied to treated groups by gavage for thirty following days. During the acute toxicity study, the animals did not show any signs of side effects, mortality, and the LD50 was over 2000 mg/kg in rats. The result of sub chronic toxicity demonstrated that the total extract did not yield momentous changes in behavior, water and food intake, breathing, body weight gain, blood metrics, and gastrointestinal properties in rats (17). This study indicated that F. carduchorum may be a healthy additive for conventional applications. Conclusion and future perspective To date, around 73 molecules, including coumarin, furanocoumarin, flavonoids, and stilbene have been isolated from the Ferulago species. Among the isolated constituents, mostly are phenolic compounds in which three simple coumarins, sixteen furanocoumarins, five dihydrofuranocoumarin, four sesquiterpene coumarin, twelve prenylated coumarins, six pyranocoumarin, nine flavonoids, and eighteen miscellaneous compounds. Coumarins and their derivatives are considered to be important taxonomic markers of the genus Ferulago. In the pharmacological effect part, we have discussed various studies to evaluate the ethnomedicinal uses and this has shown that the isolated constituents and different extracts from the Ferulago species possess several pharmacological effects including antibacterial, antioxidant, Alzheimer, anti-diabetics, anti-malaria, anti-cougulant, aphrodisiac effects. Accessible information regarding Ferulago spp. allows us to explore their potential benefits, highlight the gaps in our knowledge, and conduct future researches order to develop new drugs. It can be concluded that the pharmacological study of Ferulago spp. are in agreement with the ethnomedicinal uses of the plants. Acknowledgements This work was a part of PhD project and financially supported by Tabriz University of Medical Sciences, Tabriz, Iran [Grant Number: 64064]. 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